Nuts, Bolts and Washers - Revision history

DT Online at 22:18, 10 May 2017

2017-05-10T22:18:48Z

← Older revision		Revision as of 22:18, 10 May 2017
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	Sizes are now most commonly standardised in terms of their diameter in millimetres ''(e.g. a 10mm bolt has an external diameter of 10mm)'' although [https://en.wikipedia.org/wiki/British_Association_screw_threads '''British Association (B.A.)'''] threads may still occasionally be found in the smaller sizes of screws. Older, now largely obsolete, standards include [https://en.wikipedia.org/wiki/British_Standard_Whitworth '''British Standard Whitworth'''] ''(i.e. [https://en.wikipedia.org/wiki/British_Standard_Whitworth B.S.W.]; [https://en.wikipedia.org/wiki/British_Standard_Fine B.S.F.]; [https://en.wikipedia.org/wiki/British_Standard_Cycle B.S.C.] and [https://en.wikipedia.org/wiki/British_Standard_Brass B.S.B.])'', [https://en.wikipedia.org/wiki/British_Standard_Pipe '''British Standard Pipe'''] ''(or B.S.P. in which the size number was originally based on the inner diameter of a steel tube for which the external thread was intended)'', and the American [https://en.wikipedia.org/wiki/Unified_Thread_Standard '''Unified Thread Standard'''] ''(i.e. U.N.C. and U.N.F.)'' - which are still in use in USA and Canada although there is movement towards the increasingly universal [https://en.wikipedia.org/wiki/ISO_metric_screw_thread '''ISO Metric'''] standard.		Sizes are now most commonly standardised in terms of their diameter in millimetres ''(e.g. a 10mm bolt has an external diameter of 10mm)'' although [https://en.wikipedia.org/wiki/British_Association_screw_threads '''British Association (B.A.)'''] threads may still occasionally be found in the smaller sizes of screws. Older, now largely obsolete, standards include [https://en.wikipedia.org/wiki/British_Standard_Whitworth '''British Standard Whitworth'''] ''(i.e. [https://en.wikipedia.org/wiki/British_Standard_Whitworth B.S.W.]; [https://en.wikipedia.org/wiki/British_Standard_Fine B.S.F.]; [https://en.wikipedia.org/wiki/British_Standard_Cycle B.S.C. or B.S.Cy.] and [https://en.wikipedia.org/wiki/British_Standard_Brass B.S.B.])'', [https://en.wikipedia.org/wiki/British_Standard_Pipe '''British Standard Pipe'''] ''(or B.S.P. in which the size number was originally based on the inner diameter of a steel tube for which the external thread was intended)'', and the American [https://en.wikipedia.org/wiki/Unified_Thread_Standard '''Unified Thread Standard'''] ''(i.e. U.N.C. and U.N.F.)'' - which are still in use in USA and Canada although there is movement towards the increasingly universal [https://en.wikipedia.org/wiki/ISO_metric_screw_thread '''ISO Metric'''] standard.

DT Online: Added Template

2016-06-23T18:53:26Z

Added Template

← Older revision		Revision as of 18:53, 23 June 2016
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			{{Fixings Buyers Guide}}


	[[Category:Fixings and Fastenings]]		[[Category:Fixings and Fastenings]]

DT Online at 09:21, 23 June 2016

2016-06-23T09:21:00Z

← Older revision		Revision as of 09:21, 23 June 2016
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	[[File:NutsBolts.png\|~~300px~~\|right]]		[[File:NutsBolts.png\|500px\|right]]
	__TOC__		__TOC__

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2016-06-23T09:20:22Z

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← Older revision		Revision as of 09:20, 23 June 2016
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	[[File:NutsBolts.png\|300px\|right]]		[[File:NutsBolts.png\|300px\|right]]
			__TOC__


			=====Description=====
	[https://en.wikipedia.org/wiki/Screw '''Nuts and Bolts'''] are available in a wide variety of sizes, types of screw thread, shapes of head and materials to provide a very commonly used means of fastening components together such that they can be removed if needed.		[https://en.wikipedia.org/wiki/Screw '''Nuts and Bolts'''] are available in a wide variety of sizes, types of screw thread, shapes of head and materials to provide a very commonly used means of fastening components together such that they can be removed if needed.

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	Sizes are now most commonly standardised in terms of their diameter in millimetres ''(e.g. a 10mm bolt has an external diameter of 10mm)'' although [https://en.wikipedia.org/wiki/British_Association_screw_threads '''British Association (B.A.)'''] threads may still occasionally be found in the smaller sizes of screws. Older, now largely obsolete, standards include [https://en.wikipedia.org/wiki/British_Standard_Whitworth '''British Standard Whitworth'''] ''(i.e. [https://en.wikipedia.org/wiki/British_Standard_Whitworth B.S.W.]; [https://en.wikipedia.org/wiki/British_Standard_Fine B.S.F.]; [https://en.wikipedia.org/wiki/British_Standard_Cycle B.S.C.] and [https://en.wikipedia.org/wiki/British_Standard_Brass B.S.B.])'', [https://en.wikipedia.org/wiki/British_Standard_Pipe '''British Standard Pipe'''] ''(or B.S.P. in which the size number was originally based on the inner diameter of a steel tube for which the external thread was intended)'', and the American [https://en.wikipedia.org/wiki/Unified_Thread_Standard '''Unified Thread Standard'''] ''(i.e. U.N.C. and U.N.F.)'' - which are still in use in USA and Canada although there is movement towards the increasingly universal [https://en.wikipedia.org/wiki/ISO_metric_screw_thread '''ISO Metric'''] standard.		Sizes are now most commonly standardised in terms of their diameter in millimetres ''(e.g. a 10mm bolt has an external diameter of 10mm)'' although [https://en.wikipedia.org/wiki/British_Association_screw_threads '''British Association (B.A.)'''] threads may still occasionally be found in the smaller sizes of screws. Older, now largely obsolete, standards include [https://en.wikipedia.org/wiki/British_Standard_Whitworth '''British Standard Whitworth'''] ''(i.e. [https://en.wikipedia.org/wiki/British_Standard_Whitworth B.S.W.]; [https://en.wikipedia.org/wiki/British_Standard_Fine B.S.F.]; [https://en.wikipedia.org/wiki/British_Standard_Cycle B.S.C.] and [https://en.wikipedia.org/wiki/British_Standard_Brass B.S.B.])'', [https://en.wikipedia.org/wiki/British_Standard_Pipe '''British Standard Pipe'''] ''(or B.S.P. in which the size number was originally based on the inner diameter of a steel tube for which the external thread was intended)'', and the American [https://en.wikipedia.org/wiki/Unified_Thread_Standard '''Unified Thread Standard'''] ''(i.e. U.N.C. and U.N.F.)'' - which are still in use in USA and Canada although there is movement towards the increasingly universal [https://en.wikipedia.org/wiki/ISO_metric_screw_thread '''ISO Metric'''] standard.


	~~__TOC__~~


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	\| [[File:RoofingNutBolt.png\|125px\|right]]		\| [[File:RoofingNutBolt.png\|125px\|right]]
	\|}		\|}

			{{Nuts and Bolts Buyers Guide}}

	=====Cap Screws=====		=====Cap Screws=====
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	\| [[File:GrubScrew.png\|125px\|right]]		\| [[File:GrubScrew.png\|125px\|right]]
	\|}		\|}

			{{Allen Screw Buyers Guide}}

	=====Types of Nut=====		=====Types of Nut=====
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	\| [[File:SerratedFlangeLocknut.png\|125px\|right]]		\| [[File:SerratedFlangeLocknut.png\|125px\|right]]
	\|}		\|}

			{{Nuts Buyers Guide}}

	=====Washers=====		=====Washers=====
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	\| [[File:TabWashers.png\|125px\|right]]		\| [[File:TabWashers.png\|125px\|right]]
	\|}		\|}

			{{Washers Buyers Guide}}

	=====Studs=====		=====Studs=====
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	\| [[File:WoodScrewStud.png\|125px\|right]]		\| [[File:WoodScrewStud.png\|125px\|right]]
	\|}		\|}

			{{Studs Buyers Guide}}

	=====Threaded Inserts=====		=====Threaded Inserts=====

DT Online: Corrected link

2015-10-26T19:26:21Z

Corrected link

← Older revision		Revision as of 19:26, 26 October 2015
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	\|-		\|-
	\| [https://en.wikipedia.org/wiki/List_of_screw_drives#Hex '''Hexagonal''' ]		\| [https://en.wikipedia.org/wiki/List_of_screw_drives#Hex '''Hexagonal''' ]
	\| These six-sided headed bolts and screws are now the most common in general use. Most '''[[Spanners]]''' and '''[[Sockets]]''' are designed to work with '''Hexagonal Nuts and Bolts'''		\| These six-sided headed bolts and screws are now the most common in general use. Most '''[[Spanners and Wrenches\|Spanners]]''' and '''[[Spanners and Wrenches\|Sockets]]''' are designed to work with '''Hexagonal Nuts and Bolts'''
	\| [[File:HexHdBoltScrew.png\|125px\|right]]		\| [[File:HexHdBoltScrew.png\|125px\|right]]
	\|-		\|-

DT Online: Corrected link

2015-10-14T08:53:34Z

Corrected link

← Older revision		Revision as of 08:53, 14 October 2015
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	\|-		\|-
	\| '''Round'''		\| '''Round'''
	\| Round head machine screws provide a smooth finish less likely to snag loose clothing for example. Originally, all screws of all types had [https://en.wikipedia.org/wiki/List_of_screw_drives#Slot '''Slot Heads'''] for use with a standard flat bladed '''[[Screwdriver]]''' but [https://en.wikipedia.org/wiki/List_of_screw_drives#Phillips '''Phillips'''] and [https://en.wikipedia.org/wiki/List_of_screw_drives#Pozidriv '''Pozidrive'''] type heads are now more common together with [https://en.wikipedia.org/wiki/List_of_screw_drives#Hex_socket '''Socket Head'''] types and various [https://en.wikipedia.org/wiki/List_of_screw_drives#Tamper-resistant_types '''Tamper Resistant'''] designs.		\| Round head machine screws provide a smooth finish less likely to snag loose clothing for example. Originally, all screws of all types had [https://en.wikipedia.org/wiki/List_of_screw_drives#Slot '''Slot Heads'''] for use with a standard flat bladed '''[[Screwdrivers\|Screwdriver]]''' but [https://en.wikipedia.org/wiki/List_of_screw_drives#Phillips '''Phillips'''] and [https://en.wikipedia.org/wiki/List_of_screw_drives#Pozidriv '''Pozidrive'''] type heads are now more common together with [https://en.wikipedia.org/wiki/List_of_screw_drives#Hex_socket '''Socket Head'''] types and various [https://en.wikipedia.org/wiki/List_of_screw_drives#Tamper-resistant_types '''Tamper Resistant'''] designs.
	\| [[File:RndHdmachineScrew.png\|125px\|right]]		\| [[File:RndHdmachineScrew.png\|125px\|right]]
	\|-		\|-
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	\| [https://en.wikipedia.org/wiki/Carriage_bolt '''Roofing Bolts''']		\| [https://en.wikipedia.org/wiki/Carriage_bolt '''Roofing Bolts''']
	\| Similar in appearance to '''Coach Bolts''' except they have [https://en.wikipedia.org/wiki/List_of_screw_drives#Slotted_types '''Slotted Heads'''] for use with a standard flat bladed '''[[Screwdriver]]''' and are threaded for their full length instead of having a plain shank under the head.		\| Similar in appearance to '''Coach Bolts''' except they have [https://en.wikipedia.org/wiki/List_of_screw_drives#Slotted_types '''Slotted Heads'''] for use with a standard flat bladed '''[[Screwdrivers\|Screwdriver]]''' and are threaded for their full length instead of having a plain shank under the head.
	\| [[File:RoofingNutBolt.png\|125px\|right]]		\| [[File:RoofingNutBolt.png\|125px\|right]]
	\|}		\|}
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	\| [https://en.wikipedia.org/wiki/Set_screw '''Grub Screws'''] ''(aka Set Screws)''		\| [https://en.wikipedia.org/wiki/Set_screw '''Grub Screws'''] ''(aka Set Screws)''
	\| These headless screws are commonly used for holding components in place on rotating shafts for example. Originally with a '''Slot Head''' for use with a flat blade '''[[Screwdriver]]''', the '''Socket Head''' or '''Allen Screw''' versions are now preferred		\| These headless screws are commonly used for holding components in place on rotating shafts for example. Originally with a '''Slot Head''' for use with a flat blade '''[[Screwdrivers\|Screwdriver]]''', the '''Socket Head''' or '''Allen Screw''' versions are now preferred
	\| [[File:GrubScrew.png\|125px\|right]]		\| [[File:GrubScrew.png\|125px\|right]]
	\|}		\|}

DT Online: Added Safety Point

2015-09-09T19:07:12Z

Added Safety Point

← Older revision		Revision as of 19:07, 9 September 2015
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	\|-		\|-
	\| '''Eye Bolt'''		\| '''Eye Bolt'''
	\| Often used in fencing applications or typically where wire stay ropes are to be attached. Commonly available Galvanised ''(and also in [https://en.wikipedia.org/wiki/Stainless_steel '''Stainless Steel'''] especially for marine applications)''. They must not be confused with '''Lifting Eyes''' ''(see below)'' because they are not designed to carry heavy loads.		\| Often used in fencing applications or typically where wire stay ropes are to be attached. Commonly available Galvanised ''(and also in [https://en.wikipedia.org/wiki/Stainless_steel '''Stainless Steel'''] especially for marine applications)''.
			----
			<span style="color: red">'''Safety Point!'''
			They must not be confused with '''Lifting Eyes''' ''(see below)'' because they are not designed to carry heavy loads.
			</span>
			----
	\| [[File:EyeBolt.png\|125px\|right]]		\| [[File:EyeBolt.png\|125px\|right]]
	\|-		\|-

DT Online at 08:38, 8 September 2015

2015-09-08T08:38:50Z

← Older revision		Revision as of 08:38, 8 September 2015
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	\| [https://en.wikipedia.org/wiki/Threaded_insert '''Threaded Inserts''']		\| [https://en.wikipedia.org/wiki/Threaded_insert '''Threaded Inserts''']
	\| Typically these have a very coarse external thread to screw into a pre-drilled hole in timber and an internal thread ro receive a bolt or stud. Others have a roughened surface and are pressed into a tight fitting hole - or sometimes glued into place.		\| Typically these have a very coarse external thread to screw into a pre-drilled hole in timber and an internal thread to receive a bolt or stud. Others have a roughened surface and are pressed into a tight fitting hole - or sometimes glued into place.
	\| [[File:ThreadedInserts.png\|125px\|right]]		\| [[File:ThreadedInserts.png\|125px\|right]]
	\|-		\|-

DT Online: Added threaded Inserts

2015-09-08T08:37:49Z

Added threaded Inserts

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 | Variously known as '''Hanger Screws''' or '''Dowel Screws''', these studs have a screw thread at one end and a wood screw at the other to faciliate the task of joining wood to components of various materials.
 | [[File:WoodScrewStud.png|125px|right]]
 |}

DT Online at 06:46, 8 September 2015

2015-09-08T06:46:48Z

← Older revision		Revision as of 06:46, 8 September 2015
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	\|-		\|-
	\| '''Eye Bolt'''		\| '''Eye Bolt'''
	\| Often used in fencing applications or typically where wire stay ropes are to be attached. Commonly available Galvanised ''(and also in Stainless Steel especially for marine applications)''. They must not be confused with '''Lifting Eyes''' ''(see below)'' because they are not designed to carry heavy loads.		\| Often used in fencing applications or typically where wire stay ropes are to be attached. Commonly available Galvanised ''(and also in [https://en.wikipedia.org/wiki/Stainless_steel '''Stainless Steel'''] especially for marine applications)''. They must not be confused with '''Lifting Eyes''' ''(see below)'' because they are not designed to carry heavy loads.
	\| [[File:EyeBolt.png\|125px\|right]]		\| [[File:EyeBolt.png\|125px\|right]]
	\|-		\|-
	\| '''Lifting Eye'''		\| '''Lifting Eye'''
	\| These are designed to carry heavy equipment with capacities ''(i.e. WLL - Working Load Limit)'' from 95kg to 30 tonnes dependant on model types. IIlustrated is a '''Dynamo Bolt''' which is traditionally used to move equipment such as large electric motors and dynamos but they are suitable only for straight vertical lifts. '''Collared Eyebolts''' are similar but have a larger collar so they can be used for lifting both vertically and at an angle.		\| These are designed to carry heavy equipment with capacities ''(i.e. WLL - Working Load Limit)'' from 95kg to 30 tonnes dependant on model types. IIlustrated is a '''Dynamo Bolt''' which is traditionally used to move equipment such as large electric motors and dynamos but they are suitable only for straight vertical lifts. '''Collared Eyebolts''' are similar but have a larger collar and a stronger ‘eye’ so they can be used for lifting both vertically and at an angle.
	\| [[File:LiftingEye.png\|125px\|right]]		\| [[File:LiftingEye.png\|125px\|right]]
	\|}		\|}